<wicket:extend>
  <div class="form-group">
    <label wicket:for="resource"><wicket:message key="orule.resource">Resource</wicket:message></label>
    <select wicket:id="resource" class="form-control"></select>
  </div>
  <div class="form-group">
    <label wicket:for="specific"><wicket:message key="orule.specific">Specific</wicket:message></label>
    <input type="text" class="form-control" wicket:id="specific">
  </div>
</wicket:extend>